Given, Number of white balls = 12 Let x be the number of black balls. Total number of balls in the bag = 12 + x Also, the probability of drawing a black ball from the bag is thrice that of drawing a white ball. ⇒ x/(12 + x) = 3[12/(12 + x)] ⇒ x = 36 Hence, the number of black balls in the bag = 36
If ‘+’ means ‘-‘, ‘×’ means ‘÷’ ‘÷’ means ‘+’ and ‘-‘ means ‘×’, then which of the following will be the value of th...
Determine the 6052nd term in the series 5,5,7,7,7,7,9,9,9,9,9,9,11,….
The scores of KL Rahul in a T20 series were 78, 34, 56, 90, and 45. While the scores of Rishabh Pant in the same series were 22, ...
If (3/7) of 'x' is greater than (2/11) of 'x' by 38, then determine the value of 'x'.
The sum of four consecutive even numbers is 108. What is the sum of the squares of these numbers?
The cube of the difference between two given natural numbers is 1728, while the product of these two given numbers is 108. Find the sum of these two giv...
The greatest number of four digits which is divisible by 15, 25, 40 and 75 is
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Find the average of first 23 whole numbers.
